EXPLAIN_UNAME_OR_DIE - reference manual online

Get information about current kernel and report errors.

Chapter

explain_uname_or_die(3) Library Functions Manual explain_uname_or_die(3)NAME
explain_uname_or_die - get information about current kernel and report errors
SYNOPSIS
#include <libexplain/uname.h>
void explain_uname_or_die(struct utsname *data);
int explain_uname_on_error(struct utsname *data);
DESCRIPTION
The explain_uname_or_die function is used to call the uname(2) system call. On failure an
explanation will be printed to stderr, obtained from the explain_uname(3) function, and
then the process terminates by calling exit(EXIT_FAILURE).
The explain_uname_on_error function is used to call the uname(2) system call. On failure
an explanation will be printed to stderr, obtained from the explain_uname(3) function, but
still returns to the caller.
data The data, exactly as to be passed to the uname(2) system call.
RETURN VALUE
The explain_uname_or_die function only returns on success, see uname(2) for more informa‐
tion. On failure, prints an explanation and exits, it does not return.
The explain_uname_on_error function always returns the value return by the wrapped
uname(2) system call.
EXAMPLE
The explain_uname_or_die function is intended to be used in a fashion similar to the fol‐
lowing example:
explain_uname_or_die(data);
SEE ALSOuname(2)
get name and information about current kernel
explain_uname(3)
explain uname(2) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 1.4
Copyright (C) 2013 Peter Miller explain_uname_or_die(3)